Overview

overview

10

Static

static

3

f480c4c267...18.exe

windows7-x64

10

f480c4c267...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    f480c4c267b19e122e2a8538b874e36d_JaffaCakes118

  • Size

    329KB

  • Sample

    240416-2r33gagc4z

  • MD5

    f480c4c267b19e122e2a8538b874e36d

  • SHA1

    fb0bc1a4100646812cb4fd98bb9eed597bb30742

  • SHA256

    8c916ed8a94497730292e458d978e791feb7d13153629b659ac635d393c47463

  • SHA512

    6965a0b6f88ea49a06f46b6ae28091ca71e21426b9e80a9b60b550c70d42534ff7a4534e7b735c63b974b2baae6679b5856cfd632c4ad9fc2800ea3cb510cdea

  • SSDEEP

    6144:N8yvuEffTrVKi7DIdJK6f89HQBPftMBH5rpDSYkoKW5hhaYpZ2dX+GKT:j/ffnv7DuKn9HgN6HdhkW5yzbK

Score
10/10
tofseeevasionpersistencetrojan

Malware Config

Extracted

Family

tofsee

C2

defeatwax.ru

refabyd.info

Targets

    • Target

      f480c4c267b19e122e2a8538b874e36d_JaffaCakes118

    • Size

      329KB

    • MD5

      f480c4c267b19e122e2a8538b874e36d

    • SHA1

      fb0bc1a4100646812cb4fd98bb9eed597bb30742

    • SHA256

      8c916ed8a94497730292e458d978e791feb7d13153629b659ac635d393c47463

    • SHA512

      6965a0b6f88ea49a06f46b6ae28091ca71e21426b9e80a9b60b550c70d42534ff7a4534e7b735c63b974b2baae6679b5856cfd632c4ad9fc2800ea3cb510cdea

    • SSDEEP

      6144:N8yvuEffTrVKi7DIdJK6f89HQBPftMBH5rpDSYkoKW5hhaYpZ2dX+GKT:j/ffnv7DuKn9HgN6HdhkW5yzbK

    Score
    10/10
    tofseeevasionpersistencetrojan

    • Tofsee

      Backdoor/botnet which carries out malicious activities based on commands from a C2 server.

      trojantofsee

    • Windows security bypass

      evasiontrojan

    • Creates new service(s)

      persistence

    • Modifies Windows Firewall

      evasion

    • Sets service image path in registry

      persistence

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Deletes itself

    • Executes dropped EXE

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Create or Modify System Process

2
T1543

Windows Service

2
T1543.003

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Create or Modify System Process

2
T1543

Windows Service

2
T1543.003

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Impair Defenses

2
T1562

Disable or Modify Tools

1
T1562.001

Disable or Modify System Firewall

1
T1562.004

Modify Registry

2
T1112

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks